Customs officers have seized HK$400,000 (US$51,280) worth of bird’s nest from a car at the border checkpoint of the Hong Kong-Zhuhai-Macau Bridge port, the first smuggling case involving an outgoing vehicle detected at the site.Officers intercepted the outgoing private car on Tuesday at the Hong Kong port of the multibillion-dollar bridge, which opened in October.The Customs and Excise Department found 10kg of the popular and precious delicacy in a spare tyre concealed in an altered structure…